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An opposed-piston two-stroke engine has been investigated. A singer cylinder engine mode has been built to research the scavenging performance at different scavenging pressure and engine performance at full load. The result shows that, scavenging performamce influence by engine speed and trapping ratio and opposed-piston get higher break efficiency because of the lower heat transfer loss and higher...
In this paper, a new kind of cycle was proposed, which is named the compound cycle of turbo diesel engine with auxiliary combustion and energy recovery system. Numerical simulation method was adopted to analyze the compound cycle. According to the application requirement, the control target was proposed. Several parameters were chosen to develop the control strategy at different speed of full-load...
Free-piston engines are investigated by a number of research groups worldwide, with potential advantages of high-efficiency and low-emissions. Hydraulic free-piston diesel engine, which combines a two-stroke diesel engine and a hydraulic pump, could be an alternative to conventional technology in applications. It can fulfill the power requirements of vehicle under optimum operation conditions, only...
The research analyzes distribution laws of exhaust-gas of burning liquefied-gas in closed kitchen without any kitchen hood or fan with the exergy indicator; and compares the distribution results from the exergy analysis with those from the concentration analysis. The methods are: establish the math models of exhaust-gas exergy and concentration distributions in some boundary conditions; use discrete...
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